//********************************************************************
//  ParameterTest.java   Author: Lewis/Loftus
//
//  Demonstrates the effects of passing various types of parameters.
//********************************************************************

public class ParameterTester
{
   //-----------------------------------------------------------------
   //  Sets up three variables (one primitive and two objects) to
   //  serve as actual parameters to the changeValues method. Prints
   //  their values before and after calling the method.
   //-----------------------------------------------------------------
   public static void main(String[] args)
   {
      ParameterModifier modifier = new ParameterModifier();

      int a1 = 111;
      Num a2 = new Num(222);
      Num a3 = new Num(333);

      System.out.println("Before calling changeValues: ");
      System.out.println("a1 \t a2\t     " + "a3");
      System.out.println(a1 + "\t" + a2 + "\t" + a3 + "\n");

      modifier.changeValues(a1, a2, a3);
      System.out.println("After calling changeValues:");
      System.out.println("a1 \t a2\t     a3");
      System.out.println(a1 + "\t" + a2 + "\t" + a3 + "\n");
   }
}
